Antivibration device for carriage-springs.



7Ns15,18s." 1

A'NTIVIBRATICN DEVICE PCR CARRIAGE SPRINGSl APPLICATION FILED Mmmm,l 1905.`

U IATENIEII MARIS, IQCC.

:In Reif/Z074."-

' To (all, whom it may concern:

,. UNITED Arias PATENT OFFICE. i, 7

ALBERT MANs'yorniEGHA/i,BELGIUM., l

" Be it known that I, ALBERT MANS, artist, a, subject of the Belgian King, vresiding at Dieg" hem, Belgium, have invented new and use-I fuly Improvements in Antivibration 'Devices A for Carriage-Springs ,f and l do 'hereby declare clear, and vexact de- Y vide means whereby a considerable Isaving of motive"powerm ay -be obtained and whereby the parts of the motor (in motor-cars) and the vehicle are effectively protected vagainst injury, so that these parts may have a' much These nd other ob`ectsare Aattained, by a novel combination oigr Aspiralv springs rvacting between thexaxle and the vehicle-.frame tov render the movements of the lframe progressive, as fully described hereinafter.

In the accor ipanyingidraw-ings', Figure 1 is a vertical sectional view' of the improved de'- and vehicle-frame.

vice.

Fig. 2 isa plan view of the attaching or fastening.v plate, and Fig. 3 show st'he'ar- .rangementv of .the device vbetween `the axle f The improved antivibration .device come prises a metal sleeve 1, secured l1n any suitable wayto a plate 2, provided with a suitable extension 3 ,v having holes 4 lL r'olfastenj ing the samey Iby means ofbolts tothe lower portion of the` carriage-spring,` Fi .3.. Ar-

i ranged above. the (plate 2 is a spira spring 5,- .4o

housedand guide in a socket or ca y6, the upper lclosed 'end'of whichfyis provide with a screwthreaded hole, into which is screwed "the upper'end of a central rod-7 ,provided f j'usting the tension ofthe Springby means, of

lthe-'nut 9 and lock-nullo;v

with an eye 8, by meansofwhich said rod isl pivotally connected with the vehicle-frame,

as shown in Fig. 3. vSaidrodpermitsrof ad- The central rod 7 passes freelyv through ay hole in the plate 2, and arranged under the,

latter is `a second-spiral spring 11, lv'which is `also housed and guidedinla closed socket or fcapf12, through which passes the-,lower'end of thel central rod 7, adjustably held bymeans of a nut 13 anda lock-nut 14. i

Specification of Letters Patent. f 'Appiimitn nai June 21.1905.` serrant. 266,251.3.

`ANTIVIBF;A1|oN DEVICEFor: cAnmAGE-SPRINGS.

patented March 13,190.6;

'My y.improveddevice operates as follows: l`When the' axle is moved upward kby the action of a jerk or shock an the carriagespring is iiattened, the normal distance be tween the axle and the frame has a tendency -v6.o

'tobe decreased suddenly. This movement of the frame with relation'to the axle is rel ,duced progressively by the compressionof the upperspring 5, produced by the upward f movement of the plate 2. -On the other hand, 65

the reaction acting after the 'flattening of the' carriage-s ring has the tendency to push the frame su denly upward, and thismovement;

is also reduced progressively :by the compression ofthe lofwer springl'l, producedv by the 47o central rod 7.\ In thisgwayythe jerksand shocks of/he Vehicle are almost completely neutralized, whereby vthe partsoi the motor andv the Avehicle are considerably" spared.

Moreoven the stabllity lof the vehicle is in. 7 5 f Y' creased bythe avoidance of jerks andi shocks,

because a better contact is secured between the `wheelsand the ground Asalready described, the spiral lsprings 5f .and 1.1 rserve to prevent excessive deiorma- 809 f ytionsof the ordinary carriage-springs which would be produced by` jerks andshocks. j

yHowever, said springsv do .not decrease the flexibility of the carriage-springsas the tension of the spiralsprings may be adjusted so as to be normally m'l. Infths lcase the spiral springs do not actunless the carriage-s rings are iiattened beyond a iven extent.' n the :other hand, .when the oad of the vehicle is too light the spiral springs maybe adjusted so as to make up the want-of. weight upon the carriage-springsin order to take up the jerks and shocks in any case.

Having funi; ,described myinvenatmwm I' claim, and esire to secure by LettersPat- 'ent' is- 'Y 1l. In a `device ofl the class describedpthe combination with a vertical open sleeve, a

perforated plate secured centrally and horie i I 'Zontally'within said sleeve, and an outer extension on-said plate capable of being at-- tached to a wheel-axle,` of upper and lower 'caps .telescopically arrangedin said sleeve, a@

vertical rodfextendinglthrough said caps and the central plate, means foradjustably secur- 105 ving said rod to the closed ends 'of said caps, a i `spiral spring within the'upper cap and surrounding the portion of therod above the plate, a spiral spring within the lower cap 1ro andsu'rrounding the portionl of the rod below IOO said plate, and means for ivotally connecting said rod with a vehic e-frame, substantially as set forth.

2. In a device of the class described the combination with a vertical o en sleeve, a perforated plate secured centrallly and horizontally Within said sleeve, and an outer eX- tension on said plate capable of beingattached' to a Wheel-axle,` of upper and lower caps teleseopically arranged In said sleeve, a vertical rod extending through lsaid caps and the central plate, screw-threaded holes in the closed ends of said caps', screw-threaded ends on said vertical rod and adapted to be adjusted in said holes of the caps, a spiral I5 spring within the up er cap and surrounding t e portion of the rol above the plate, a spira spring Wi thin the lower cap and surroundinor e portion of the rod below said plate, and means for pivotally connecting said rod with zo a vehicle-frame, substantial] -as set forth.

In testimony whereof I' ave signed my. name to this specification in the presence of two subscribing witnesses.

ALBERT MANS.

Witnesses:

CHARLES HoUNoR, GREGORY PHELAN. 

